安装软件包后我收到此消息：
added 1 package from 8 contributors and audited 49729 packages in 23.754s
found 25 vulnerabilities (1 low, 24 high)
run `npm audit fix` to fix them, or `npm audit` for details
所以我运行npm audit fix并修复了一些漏洞。
...
+ @angular-devkit/build-ng-packagr@0.800.2
+ @angular-devkit/build-angular@0.800.2
added 125 packages from 72 contributors, updated 8 packages and moved 16 packages in 65.005s
fixed 12 of 25 vulnerabilities in 49729 scanned packages
3 package updates for 13 vulns involved breaking changes
(use `npm audit fix --force` …